9870730 has 32 divisors (see below), whose sum is σ = 18617040. Its totient is φ = 3763200.

The previous prime is 9870691. The next prime is 9870737. The reversal of 9870730 is 370789.

9870730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 6056521 + 3814209 = 2461^2 + 1953^2 .

It is not an unprimeable number, because it can be changed into a prime (9870737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29122 + ... + 29458.

Almost surely, 2^9870730 is an apocalyptic number.

9870730 is a deficient number, since it is larger than the sum of its proper divisors (8746310).

9870730 is a wasteful number, since it uses less digits than its factorization.

9870730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 9870730 is about 3141.7717931129. The cubic root of 9870730 is about 214.5110938744.

The spelling of 9870730 in words is "nine million, eight hundred seventy thousand, seven hundred thirty".